Cultivated meat — grown from animal cells without slaughter — could transform animal welfare. Understanding its welfare implications, limitations, and development timeline matters for advocates.
Cultivated meat's welfare case is compelling but requires careful examination of the full production process. Cell lines established from living animals require biopsies — brief welfare harms that occur once for a cell line that then produces meat indefinitely without further animal harm. The use of fetal bovine serum as cell culture medium has been a genuine welfare concern, requiring slaughter of pregnant cows to obtain fetal serum. Animal-free alternatives are being developed and are now used by some cultivated meat companies. At commercial scale, cultivated meat could eliminate the welfare harms of slaughter, transport, and intensive farming for the cell line donor species — but the transition period and scaling challenges require continued investment and advocacy.